Home / 3,885.63-5,362.33-2,207.04

Finding the Fourth Proportional to 3,885.63, 5,362.33 and 2,207.04

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Solution

The fourth proportional to 3,885.63, 5,362.33 and 2,207.04 is: 3,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.63 : 5,362.33 = 2,207.04 : x
  2. Step 2: Convert to fraction form
    3,885.63/5,362.33 = 2,207.04/x
  3. Step 3: Cross multiply
    3,885.63x = 5,362.33 × 2,207.04
  4. Step 4: Simplify right side
    3,885.63x = 11,834,876.80
  5. Step 5: Solve for x
    x = 11,834,876.80/3,885.63
  6. Step 6: Final answer
    x = 3,045.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.